The Landfill forest fire in Wythe County is 60 percent contained as of Monday.
The 1,088-acre fire started burning last Tuesday.
Nearly 130 firefighters, including four attack crews, are still battling the flames.
Fire crews say the Wythe County fire is 15 percent contained as of Friday.
Officials say smoke from the fire can be seen in Roanoke as well as Galax and Carroll counties.
As of Thursday morning, the U.S. Forest Service said the fire burning on Horses Heaven Mountain in Wythe County has grown from 75 acres to 500 acres.
Because the fire is in steep, rugged terrain on the mountain, crews are having trouble getting to it.
At this point the fire is still 0 percent contained; however, officials still say people who live nearby are not at risk.
Crews expect the fire to burn through the weekend.
Fire crews have been on the scene of a forest fire near Speedwell in Wythe county since 10 p.m. Tuesday night. They are working to try and contain the fire in the national park. As of Wednesday night, it had grown to 75 acres.
The fire is on the north slope of Horse Heaven Mountain.
At this point the fire is 0 percent contained, but the U.S. Forestry Service says people who live nearby are not at risk.
Twenty firefighters, two bulldozers, and a helicopter are working to control the flames.